R290 refrigerant and refrigerant r407c

heilongjiang r290 refrigerant and refrigerant r407c

the world is very different for refrigerant replacement of two solutions, one of, is the United States, Japan and other countries have adopted the refrigerant R410A and R32, due to the higher GWP (but R410A 2088). , is only a transitional substitutes. And r32 refrigerant ( The ODP is 0, GWP is 675) , it is a delegate with daikin Japanese companies pushing for refrigerants, speed of the spread on a global scale to accelerate R32, daikin and even in emerging countries free of patent application, daikin currently in Japan, India, Russia, Spain, Taiwan and other countries and regions have appeared in the promotion of effect.

the second alternative, in China and Germany, Sweden and other countries in Europe as a representative of R290 ( The ODP is 0, GWP < 20) Refrigerant, it is called 'super potential environmental protection refrigerants'. Wang lei, vice director of China's household electrical appliances association have been interpreted R290 used in air conditioning is superior performance compared with other refrigerants. She said: 'at present, the Chinese room air conditioner adopt main for R22 and R410A refrigerant, emission levels for 1. 1 billion tons of CO2 equivalent, if all substitute R290, emissions will be reduced to 530000 tons of CO2 equivalent. '

R407c ODP value is zero, GWP value is higher. Compared with the boiling point of R22. Under normal atmospheric pressure, the boiling point is - 43. 4 ~ 36. 1℃。 The temperature by the - 36. 1 ℃ slip to the temperature 43. 4℃。 But application and air conditioning system, its vapor pressure than 10% higher than that of R22. Under the working condition of air conditioning, the refrigerating capacity per unit volume and the refrigeration coefficient of 5% lower than that of R22; In low temperature condition, the refrigeration coefficient, though a little change, but the refrigerating capacity per unit volume is lower by 20%. R407c heat transfer performance is poorer, directly affects the change of the refrigerant. With mineral lubricating oil miscibility, R407c cannot but can dissolve in the polyester synthetic lubricants. Have higher request for drying.

as refrigerant R407C wholesale. Refrigerant R407c as today's widely used in high temperature, is mainly used in household air conditioner, small and medium-sized commercial air conditioning, Small and medium-sized unit air conditioning, household central air conditioning, VRF) , mobile air conditioning ( Automobile air conditioner, etc. ) , dehumidifier, frozen type dryer, Marine refrigeration equipment, industrial refrigeration refrigeration equipment.

tag: & nbsp  & NBSP refrigerant & nbspr290

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